--- a/src/parallel_execution/examples/boundedBuffer/BoundedBuffer.cbc	Sun Dec 31 02:40:08 2017 +0900
+++ b/src/parallel_execution/examples/boundedBuffer/BoundedBuffer.cbc	Sun Dec 31 04:36:20 2017 +0900
@@ -33,7 +33,7 @@
     element->next = NULL;
     struct Element* last = buffer->last;
     last->next = element;
-    printf("put\n");
+    buffer->last = element;
     struct Semaphore* sem = buffer->lock;
     goto sem->v(putBoundedBuffer3);
 }
@@ -60,6 +60,7 @@
     struct Element* top = buffer->top;
     struct Element* nextElement = top->next;
     data = nextElement->data;
+    *O_data =data;
     buffer->top = nextElement;
     struct  Semaphore* sem = buffer->lock;
     goto sem->v(takeBoundedBuffer3);